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HELI-COIL Screw-Locking Tanged Helical Insert - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #10-24 coarse threads, supplied in a 100-piece pack. Made from 18-8 stainless steel with a plain finish, it delivers a tensile strength of…

SKU 3G-OTH-528868

Also listed as: A35853CN380 · A3585 3CN380

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert
Part Number
A3585-3CN380
Category
Screw-Locking Tanged Helical Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
A3585-3CN380
Type
Screw-Locking, #10-24 Thread Size, Plain, Plain, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#10-24
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #10-24 coarse threads, supplied in a 100-piece pack. Made from 18-8 stainless steel with a plain finish, it delivers a tensile strength of 200,000 to 250,000 psi and is designed for right-hand threads in metal substrates. 3G Electric interprets this demand and sources the genuine HELI-COIL A3585-3CN380 across 14 industrial departments — with specialist depth in combustion, pumps and controls — ensuring you get the right insert for thread repair.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert is used to repair or reinforce internal threads in metal components. This screw-locking, tanged tang-style insert for #10-24 coarse threads provides a strong, wear-resistant thread in aluminum, cast iron, or steel, restoring original fastener strength.

What are the specifications of the HELI-COIL A3585-3CN380?

The HELI-COIL A3585-3CN380 is a screw-locking tanged helical insert with #10-24 coarse threads, made from 18-8 stainless steel with a plain finish. It has a tensile strength of 200,000 to 250,000 psi, is right-hand threaded, and comes in a 100-piece pack.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies the genuine HELI-COIL A3585-3CN380 helical insert worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct screw-locking insert for #10-24 thread repair applications.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged helical insert, drill out the damaged thread to the specified STI tap size (#10-24), tap the hole with the corresponding STI tap, then use a tang break-off tool to insert the coil. After installation, break off the tang for a permanent, screw-locking thread.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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HELI-COIL Products

3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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